Differential Diagnosis Tool for Parkinsonian Syndrome Using Multiple Structural Brain Measures

Table 2

Mean fractional anisotropy value in each region of interests and 4th ventricular and cerebellar volumes in patients with MSA-C, MSA-P, PD, and controls.

	MSA-C	MSA-P	PD	Normal
4th Vent_vol	0.31±0.07	0.28±0.07	0.19±0.04	0.20±0.04
Cerebellum_vol	0.28±0.04	0.30±0.03	0.33±0.04	0.34±0.04
MCP	0.32±0.05	0.37±0.05	0.41±0.03	0.39±0.03
SCP	0.44±0.02	0.43±0.02	0.45±0.04	0.47±0.03
Pons	0.12±0.01	0.13±0.01	0.14±0.01	0.13±0.01
SN	0.53±0.04	0.54±0.01	0.54±0.05	0.56±0.04
ST	0.21±0.01	0.13±0.01	0.13±0.01	0.21±0.02
PF	0.05±0.00	0.06±0.01	0.06±0.00	0.05±0.01
PM	0.20±0.02	0.21±0.02	0.22±0.02	0.21±0.02

4th Vent_vol: fourth ventricle volume; cerebellum_vol: cerebellum volume; MSA-C: cerebellar form of multiple system atrophy; MSA-P: parkinsonism forms of multiple system atrophy; MCP: middle cerebellar peduncle; SCP: superior cerebellar peduncle; PD: Parkinson's disease; SN: substantia nigra; ST: superior temporal region; PF: prefrontal region; PM: primary motor region.